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Regulations last checked for updates: Feb 21, 2025
Title 40 - Protection of Environment last revised: Nov 21, 2025
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Title 40
Chapter I - CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
Part 61 [§ 61.01 - § 61.359] - PART 61—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS
Part 62 [§ 62.01 - § 62.16730] - PART 62—APPROVAL AND PROMULGATION OF STATE PLANS FOR DESIGNATED FACILITIES AND POLLUTANTS
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